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1、Page 1 of 4 HP ConfidentialIssue Description:Some CLJ4700, CLJ4730mfp, CM4730 MFP, and CP4005 customers may experience a PQ defect related to wear on the fuser sleeve. The purpose of this document is to tell you how to identify this emerging issue and to request parts and customer internal pages bac
2、k from you so engineering can understand and countermeasure this issue as soon as possible.What the customer will seeThe customer may report a ghost image at a pitch of 76mm (fuser sleeve), typically near the outer edges of the printed page. The defect can be on one or both sides of the page. (See b
3、elow) Note that the ghosted image may appear to be a ghost of toner accumulation at the edges of the fuser sleeve, and not necessarily a ghost of a defined image on the page such as text or a graphic.Fuser sleeve cracks creating repetitive defect at page marginsColor LaserJet 4700, CP4005 4730MFP, C
4、M4730 MFP Security Level: HP ConfidentialDate: September 25, 2007Feedback Requested by Division? Yes Feedback Mechanism: Parts and internal pages to Technical MarketingAuthor: Casey Campbell, Technical Marketing; Dave Klaisle, CPE Engine TeamDocument #: c00815228Document Summary Some CLJ4700, CP4005
5、, CLJ4730mfp or CM4730 MFP customers may experience a repetitive print quality defect that appears in the left and/or right margins of the page. Inspection of the fuser sleeve is necessary to confirm this defect should see toner accumulation and damage to the left and/or right side of the fuser slee
6、ve.Page 2 of 4 HP ConfidentialConfiguration Page showing ghosted imageUpon inspection of the fuser sleeve, the fuser sleeve (pink roller) will show signs of distress, with short cracks (2 20mm in length, depending on severity) appearing toward the ends of the fuser sleeve, where the left and/or righ
7、t sides of the media line up on the sleeve. (See below.) In many cases, toner will begin to accumulate in or around these cracks in the fuser sleeve, resulting in a repetitive PQ defect down the left and/or right side of the page. Page 3 of 4 HP ConfidentialFuser Sleeve worn and damaged at either en
8、dSolutionReplace the fuser.Feedback NeededIf the defect mentioned in this document is described by the customer and there is damage to the fuser sleeve coating, please collect the following:To be collected and shipped back to Boise:Print Samples to be printed using “bad” fuser, prior to repair1. Sup
9、plies status (before fuser replacement)2. Configuration page3. Event log4. Usage page5. Customer print sample displaying the defect, if possiblePLEASE SHIP ABOVE SAMPLES AND FUSER IN ONE BOX TO:Hewlett-Packard CoAttn: Casey Campbell11311 Chinden Blvd., Mailstop 327Boise, ID 83714-0021United StatesPa
10、ge 4 of 4 HP ConfidentialTo be collected and sent to Boise with parts and pages (if possible) OR scanned and e-mailed to OR documented in WFM case:Basic info:1. Printer serial number2. Fuser serial number3. Case ID4. Estimated time in service Information about primary media:1. Brand2. Size3. Weight
11、4. Fuser mode5. Estimated % simplex vs. duplex6. Estimated % mono vs. color 7. Page coverage (estimated) Low (mostly text, some graphics) Medium (frequently mixed text graphics) Heavy (lots of graphics)8. Average job size (estimated number of pages)9. Estimated duty (how often jobs are printed) Inte
12、rmittent (somewhat rarely prints jobs back to back) Continuous intermittent (somewhat frequently prints jobs back to back) Continuous (printer frequently runs jobs continuously)10.Have there been any extraordinary interactions with the fuser? (frequent wrap jams, frequent paper jams in the fuser, et
13、c.)Other media used: 1. Brand2. Size3. Weight4. Fuser modeDocument AttributesAuthor: Casey Campbell - LJB Tech MarketingProduct Models: HP Color LaserJet 4700, 4700n, 4700dn, 4700dtn, 4700ph+, 4730mfp, 4730x mfp, 4730xs mfp, 4739xm mfp, CP4005n, CP4005dn, CM4730 MFP, CM4730f MFP, CM4730fsk MFP, CM4730fm MFPProduct Numbers: Q7491A, Q7492A, Q7493A, Q7494A, Q7495A, Q7517A, Q7518A, Q7519A, Q7520A, CB503A, CB504A, CB480A, CB481A, CB482A, CB483A